TX-SR606
DEBUG MODE-9
HDMI TROUBLESHOOT-3/3
<Notes>
1. This trouble shooting map focuses on the HDMI hardware troubles.
For detailes, refer to TX-SR606 Block Diagrams and Schematic Diagrams.
2. Analysis written below is of typical cases. So, more detailed check may need in actual cases.
3. Before replace ICs or pcb below, resolder the pins first to save resources.
HDMI HARDWARE TROUBLE
HDMI no picture
or dropout trouble
Check video
version
Old version
Version is not
displayed
Analog video
(V or S or Component)
is output at HDMI OUT?
Up-conversion from
analog video to HDMI
is NG
Display HDMI
DEBUG MODE
Only HDMI IN 1
no output
HDMI IN2,
IN3, IN4
all no output
HDMI IN1,
IN2, IN3, IN4
all no output
One of IN2,
IN3, IN4
no output
Q8401 is NG
Path from Q8401
to HDMI OUT
terminal is NG
HDMI IN1 to IN4
are normally output
Check Information
on FL display
Update to the
latest version
Q701 is NG
Q8001 is NG
Interface of
Q8001 and
Q701 is NG
Related pin of
Q8501 is NG
HDMI IN 1
terminal is NG
Path from
HDMI IN 1
terminal to
Q8501 is NG
Q8162 is NG
Related pin of
Q8162 is NG
Path from the
terminal to
Q8162 is NG
Q8501 is NG
Check power supply
pin of Q8401
HDMI OUT
terminal is NG
Q8001 is NG
Path from
Q8001 to
Q8401 is NG
Refer DEBUG
MODE-5, 6
According to each
remedy, solve the
problems
Check the
power supply
pin of Q701
Impossible to
replace Q8001
Check power
supply pin of
Q8001
Impossible to
replace Q8501
Replace
HDMI IN 1
terminal
Resolder the
pins of the parts
from HDMI IN 1
terminal to Q8501
Confirm waveform
is viewable by
oscilloscope
from HDMI IN 1
terminal to Q8501
Confirm waveform
is viewable by
oscilloscope
from the terminal
to Q8162
Confirm waveform
is viewable by
oscilloscope from
Q8401 to the terminal
Check the
power supply
pin of Q8162
One of IN 2,
IN 3, IN 4
terminal is NG
Resolder the pins
of the parts from the
terminal to Q8162
Resolder the pins
of the parts from
Q8401 to the terminal
Check power
supply pin of
Q8501
Replace Q8401
Replace the
terminal
Check RESET pin
#14 of Q701.
It moves High -->
Low --> High after
powerd ON.
Check P-OFF pins
#18 and #76 of Q701.
They must be “high”
Check +3.3V
power supply
circuit
Replace
HDMI Board
NAHDM-9473
Check power
supply circuit
for Q8001
Check the power
supply circuit
for Q8501
Check the power
supply circuit for
Q8401
Replace
Q8162
OK
OK
NG
OK
NG
Find out bad
part and
replace it
Find out bad part
and replace it
Replace the
terminal
Impossible to
replace Q8501
Replace
HDMI Board
NAHDM-9473
Confirm waveform
is viewable by
oscilloscope from
Q8001 to Q8401
Resolder the pins
of the parts from
Q8001 to Q8401
No
Yes
Latest version
Impossible to
replace Q8001
Check power
supply pin of
Q8001
Change HDMI
Board
NAHDM-9473
Check the
power supply
circuit for Q8001
OK
NG
Resolder the pins
of the parts from
Q8001 to Q701
Find out bad part
and replace it
Q701
Q8001
Q8501
Q8162
Q8401
Circuit No.
Function
Description
Main microprocessor
Video processor
HDMI Receiver
HDMI Switch
HDMI Transmitter
MPD70F3746
FLI30502
SiI9135
SiI9185
SiI9134
Main Device (IC)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
